Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 4, Problem 16RQ
Which of the following is most likely to have the greatest concentration of smooth endoplasmic reticulum?
- a cell that secretes enzymes
- a cell that destroys pathogens
- a cell that makes steroid hormones
- a cell that engages in photosynthesis
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Which of the above cell parts are found in both prokaryotic and eukaryotic cells?
Which of the following cellular organelles plays a role in digesting food particles?
mitochondrion
golgi aparatus
nucleus
lysosome
rough endoplasmic reticulum
Which of the followings is not true about the function of the Tight Junctions? (LO- K8)
They hold the cells together
They act as a barrier
They help maintain cell polarity
They prevent lateral diffusion of proteins, ions, molecules
They play an important role in maintaining the blood brain barrier
They connect the adjacent cells intercellularly to the intermediate cytoskeletal filaments
Chapter 4 Solutions
Biology 2e
Ch. 4 - Figure 4.7 Prokaryotic cells are much smaller than...Ch. 4 - Figure 4.8 If the nucleolus were not able to carry...Ch. 4 - Figure 4.18 If a peripheral membrane protein were...Ch. 4 - When viewing a specimen through a light...Ch. 4 - The is the basic unit of life organism cell tissue...Ch. 4 - Prokaryotes depend on to obtain some materials and...Ch. 4 - Bacteria that lack fimbriae are less likely to...Ch. 4 - Which of the following organisms is a prokaryote?...Ch. 4 - Which of the following is surrounded by two...Ch. 4 - Peroxisomes got their name because hydrogen...
Ch. 4 - In plant cells, the function of the lysosomes is...Ch. 4 - Which of the following is both in eukaryotic and...Ch. 4 - Tay-Sachs disease is a genetic disorder that...Ch. 4 - Which of the following is not a component of the...Ch. 4 - The process by which a cell engulfs a foreign...Ch. 4 - Which of the following is most likely to have the...Ch. 4 - Which of the following sequences correctly lists...Ch. 4 - Congenital disorders of glycosylation are a...Ch. 4 - Which of the following have the ability to...Ch. 4 - Which of the following do not play a role in...Ch. 4 - In humans, are used to move a cell within its...Ch. 4 - Which of the following are only in plant cells?...Ch. 4 - The key components of desmosomes are cadherins...Ch. 4 - Diseased animal cells may produce molecules that...Ch. 4 - In your everyday life, you have probably noticed...Ch. 4 - In what situation(s) would the use of a scanning...Ch. 4 - In what situation(s) would a transmission electron...Ch. 4 - What are the advantages and disadvantages of each...Ch. 4 - Explain how the formation of an adult human...Ch. 4 - Antibiotics are medicines that are used to fight...Ch. 4 - Explain why not all microbes are harmful.Ch. 4 - You already know that ribosomes are abundant in...Ch. 4 - What are the structural and functional...Ch. 4 - Why are plasma membranes arranged as a bilayer...Ch. 4 - In the context of cell biology, what do we mean by...Ch. 4 - In your opinion, is the nuclear membrane part of...Ch. 4 - What are the similarities and differences between...Ch. 4 - How do cilia and flagella differ?Ch. 4 - Describe how microfilaments and microtubules are...Ch. 4 - Compare and contrast the boundaries that plant,...Ch. 4 - How does the structure of a plasmodesma differ...Ch. 4 - Explain how the extracellular matrix functions.Ch. 4 - Pathogenic E. coil have recently been shown to...
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- Enzymes contained in __________ break down worn-out organelles, bacteria, and other particles. a. lysosomes b. mitochondria c. endoplasmic reticulum d. peroxisomesarrow_forwardWhich of the following is true regarding the permeability of the cytoplasmic membrane? Nothing can diffuse across the membrane All molecules can freely diffuse across it Only non-polar molecules can diffuse across the membrane It is generally impermeable to ions, polar moleculesarrow_forwardMatch the cell organelle with its function. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. Cell membrane Cell wall Nucleus Cytoplasm Mitochondria Chloroplast Vacuole Storage Control center Shape and protection in plant cell Liquid that fills cell Powerhouse of the cell Location of photosynthesis Controls what goes in and out of the cellarrow_forward
- Microvilli are commonly seen in cells involved in absorption of materials (like intestinal cells) because: none of the above they move cells forward they produce greater surface area of plasma membrane they move substances forwardarrow_forwardWhich of the following is the largest single membrane-bound intracellular compartment? O Endoplasmic reticulum O Ribosomes O Golgi O Nucleousarrow_forwardMatch each of the following cellular structures with the one function that best describes it. Site where the cell first makes contact with a virus Composed of microtubules, intermediate filaments, and microfilaments Site of cellular respiration, which generates ATP Organelle that "reads" RNA to create a protein from amino acids Site where proteins are modified into glycoproteins Site where proteins complete their modifications and are transported to other locations, inside or outside the cell General membrane-bound transport structure A vesicle involved in the process of endocytosis that becomes increasingly acidic Contains enzymes for intracellular digestion of malfunctioning organelles or ingested pathogens Location of genetic material 1. ribosome 2. nucleus 3. lysosome 4. 5. 6. Golgi complex 8. rough ER mitochondrion 7. vesicle cytoskeleton 9. plasma membrane 10. endosomearrow_forward
- Which statements correctly describe the rough endoplasmic reticulum (rough ER)? It has ribosomes bound to its membrane. It synthesizes proteins that will be sent out of the cell. It stores and releases calcium ions. It is connected to the membrane of the nucleus. It is used to transport mRNA to the cell membrane.arrow_forwardThe Golgi Apparatus is part of which of the following? extracellular matrix electron transport chain endomembrane system cytoskeletonarrow_forwardWhich of the following proteins does not play an integral role in the membrane of eukaryotic cells? the sodium/potassium pump (a transporter protein) platelet derived growth factor (a receptor protein) the integrin protein (an anchoring protein) myoglobin (an oxygen-binding protein) adenylyl cyclase (an enzyme)arrow_forward
- Which of the following statements about a protein in the lumen of the ER is FALSE? A protein in the lumen of the ER is synthesized by ribosomes on the ER membrane. Some of the proteins in the lumen of the ER can end up in the extracellular space. Some of the proteins in the lumen of the ER can end up in the lumen of an organelle in the endomembrane system. Some of the proteins in the lumen of the ER can end up in the plasma membrane.arrow_forwardWhich statement about the cytoskeleton is incorrect? Microtubules are hollow tubes of protein that provide structural support. Plant cells lack a cytoskeleton because they have a rigid cell wall. Intermediate filaments are more permanent structures in cells compared to microfilaments and microtubules. Microfilaments are chains of proteins that resist stretching. Components of the cytoskeleton are often involved with movement of organelles within the cytoplasm.arrow_forwardFill in the blanks by matching the cell structure to the functionarrow_forward
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